Finding the Fourth Proportional to 11,511,261.93, 15,885,125.16 and 6,354,512.76
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Solution
The fourth proportional to 11,511,261.93, 15,885,125.16 and 6,354,512.76 is: 8,768,997.80
Step by Step Solution
- Step 1: Write the proportion equation
11,511,261.93 : 15,885,125.16 = 6,354,512.76 : x - Step 2: Convert to fraction form
11,511,261.93/15,885,125.16 = 6,354,512.76/x - Step 3: Cross multiply
11,511,261.93x = 15,885,125.16 × 6,354,512.76 - Step 4: Simplify right side
11,511,261.93x = 100,942,230,523,417.03 - Step 5: Solve for x
x = 100,942,230,523,417.03/11,511,261.93 - Step 6: Final answer
x = 8,768,997.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.